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Thursday, June 9th 2011, 9:49am

Zone 3 turns on but then dies out.

Just bought a home with a sprinkler system. Having a problem with zone 3. Zones 1 and 2 work fine. When Zone 3 is activated (either with the bleed screw or the system) it starts strong spraying water like normal but then dies out within id say 1-2 minutes and starts spraying in spurts. I tried swapping solenoids and diaphrams with no success. Also took the heads out to try and clean the line out. One of the 2 heads on this valve bubble water up out of the hole. The second barely has any pressure coming out once this happens. Any ideas would be great.


Supreme Member

Posts: 482

Location: Houston, Texas


Thursday, June 9th 2011, 6:21pm

It sounds like you need to plug all the fix all of the leaks. If you have leaky heads, they need to be address. You probably want to check that first and then get into the valves. Walk around the zone after it has run for a while and look for wet spots as it is running.
Good Luck
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